Power management for aerosol provision device

Abstract

An apparatus, method and computer program are described, including: monitoring, by the control circuitry, at least one operating parameter of the electronic aerosol delivery system; controlling, by the control circuitry, at least one control parameter of the electronic aerosol delivery system to generate an aerosol having a first aerosol profile during a first puff; determining, by the control circuitry, a change in one or more of the operating parameters; modifying, by the control circuitry, in response to determining a change in one or more of the operating parameters, a control parameter of the electronic aerosol delivery system to generate an aerosol having a second aerosol profile during a subsequent puff.

1 . An electronic aerosol delivery system, comprising:
 control circuitry configured to:
 monitor at least one operating parameter of the electronic aerosol delivery system; 
 control at least one control parameter of the electronic aerosol delivery system to generate an aerosol having a first aerosol profile during a first puff; 
 determine a change in one or more of the at least one operating parameter; and 
 in response to determining the change in one or more of the at least one operating parameter parameters, to modify a control parameter of the at least one control parameter of the electronic aerosol delivery system to generate an aerosol having a second aerosol profile during a subsequent puff. 
   
     
     
         2 . The electronic aerosol delivery system of  claim 1 , wherein each of the at least one operating parameter and the at least one control parameter is associated with one of the following aspects of operation:
 supply of power to an aerosol generating component, control of airflow in the electronic aerosol delivery system, supply of aerosolizable material to the aerosol generating component, or another aspect of operation of the electronic aerosol delivery system; and   wherein the control parameter modified by the control circuitry is associated with a different aspect of operation than that of the one or more of the at least one operating parameter determined to have changed.   
     
     
         3 . The electronic aerosol delivery system of  claim 1 , wherein the control parameter is modified in a manner which mitigates against a change in one or more characteristics of the first aerosol profile resulting from the change in the one or more of the at least one operating parameter. 
     
     
         4 . The electronic aerosol delivery system of  claim 3 , wherein the first aerosol profile comprises a plurality of aerosol characteristics, and wherein the control parameter is selected to mitigate against a change in one or more of the plurality of aerosol characteristics, and wherein the one or more of the plurality of aerosol characteristics are selected from the plurality of aerosol characteristics based on a predetermined priority ranking of the plurality of aerosol characteristics. 
     
     
         5 . The electronic aerosol delivery system of  claim 4 , wherein the predetermined priority ranking of the plurality of aerosol characteristics is associated with a specific user of the electronic aerosol delivery system. 
     
     
         6 . The electronic aerosol delivery system of  claim 1 , wherein the electronic aerosol delivery system further comprises an aerosol generating component, and wherein determining the change in the one or more of the at least one operating parameter comprises determining a change in an operating parameter of the aerosol generating component. 
     
     
         7 . The electronic aerosol delivery system of  claim 6 , wherein determining the change in the operating parameter of the aerosol generating component comprises determining a change in a capacity of a power supply to supply power to the aerosol generating component. 
     
     
         8 . The electronic aerosol delivery system of  claim 7 , wherein determining the change in the capacity of the power supply to supply power to the aerosol generating component comprises determining that a value associated with an amount of energy remaining in the power supply has changed with respect to a predefined threshold. 
     
     
         9 . The electronic aerosol delivery system of  claim 7 , wherein the control circuitry is configured to control a supply of power from the power supply to the aerosol generating component in accordance with a power supply parameter specifying an amount of power to be supplied to the aerosol generating component, and wherein determining the change in the capacity of the power supply to supply power to the aerosol generating component comprises determining that the power supply is not able to supply the amount of power specified by the power supply parameter. 
     
     
         10 . The electronic aerosol delivery system of  claim 7 , wherein determining the change in the operation of the aerosol generating component comprises determining a physical characteristic of the aerosol generating component has changed. 
     
     
         11 . The electronic aerosol delivery system of  claim 2 , wherein aerosolizable material is supplied to the aerosol generating component from a supply of aerosolizable material, and wherein the at least one operating parameter comprises a parameter controlling the supply of the aerosolizable material to the aerosol generating component. 
     
     
         12 . The electronic aerosol delivery system of  claim 11 , wherein modifying the parameter controlling the supply of aerosolizable material to the aerosol generating component changes a rate at which the aerosolizable material is supplied to the aerosol generating component. 
     
     
         13 . The electronic aerosol delivery system of  claim 11 , wherein modifying the supply of aerosolizable material to the aerosol generating component comprises modifying a composition of the aerosolizable material supplied to the aerosol generating component. 
     
     
         14 . The electronic aerosol delivery system of  claim 13 , wherein modifying the composition of the aerosolizable material supplied to the aerosol generating component comprises modifying a concentration of at least one of: water, an active material, an olfactory component or an aerosol-forming constituent. 
     
     
         15 . The electronic aerosol delivery system of  claim 2 , wherein the electronic aerosol delivery system comprises an air flow path between an air inlet and an air outlet, wherein the aerosol generating component is disposed within the air flow path, and wherein the operating parameter comprises a parameter which modifies the air flow path. 
     
     
         16 . The electronic aerosol delivery system of  claim 15 , wherein modifying the air flow path comprises modifying a resistance to draw of air flow through the air flow path. 
     
     
         17 . The electronic aerosol delivery system of  claim 15 , wherein modifying the air flow path comprises modifying a manner in which incident air flowing from the air inlet is directed at the aerosol generating component. 
     
     
         18 . The electronic aerosol delivery system of  claim 15 , wherein modifying the air flow path comprises modifying a temperature of the aerosol generating component disposed in the air flow path. 
     
     
         19 . The electronic aerosol delivery system of  claim 1 , wherein the control circuitry is further configured to determine how to modify the control parameter using a model which relates one or more operating parameters to one or more aerosol characteristics, and wherein the one or more operating parameters comprise at least one control parameter. 
     
     
         20 . The electronic aerosol delivery system of  claim 19 , wherein the model is parameterized using experimental data describing how at least one aerosol characteristic of an aerosol generated by the electronic aerosol delivery system varies as a function of different operating parameter values. 
     
     
         21 . The electronic aerosol delivery system of  claim 1 , wherein the control circuitry is further configured to determine how to modify the control parameter using a classifier which takes at least one operating parameter value as an input, and returns at least one control parameter value as an output. 
     
     
         22 . The electronic aerosol delivery system of  claim 21 , wherein the classifier is trained using usage data describing a relationship between one or more operating parameter changes and one or more control parameter changes determined by one or more users in response to the one or more operating parameter changes. 
     
     
         23 . Control circuitry for an electronic aerosol delivery system, comprising:
 at least one processor and memory configured to:
 monitor at least one operating parameter of the electronic aerosol delivery system; 
 control at least one control parameter of the electronic aerosol delivery system to generate an aerosol having a first aerosol profile during a first puff; 
 determine a change in one or more of the at least one operating parameter parameters; and 
   modify, in response to determining change in the one or more of the at least one operating parameter, a control parameter of the at least one control parameter of the electronic aerosol delivery system to generate an aerosol having a second aerosol profile during a subsequent puff.   
     
     
         24 . A method of controlling an electronic aerosol delivery system comprising control circuitry, the method comprising:
 monitoring, by the control circuitry, at least one operating parameter of the electronic aerosol delivery system;   controlling, by the control circuitry, at least one control parameter of the electronic aerosol delivery system to generate an aerosol having a first aerosol profile during a first puff;   determining, by the control circuitry, a change in one or more of the at least one operating parameter; and   modifying, by the control circuitry and in response to determining the change in the one or more of the at least one operating parameter, a control parameter of the at least one control parameter of the electronic aerosol delivery system to generate an aerosol having a second aerosol profile during a subsequent puff.   
     
     
         25 . A non-transitory computer-readable storage medium storing a computer program for an electronic aerosol delivery system, wherein the computer program, when executed by a computer, is configured to cause the computer to:
 monitor at least one operating parameter of the electronic aerosol delivery system;   control at least one control parameter of the electronic aerosol delivery system to generate an aerosol having a first aerosol profile during a first puff;   determine a change in one or more of the at least one operating parameter; and   modify, in response to determining the change in the one or more of the at least one operating parameter, a control parameter of the at least one control parameter of the electronic aerosol delivery system to generate an aerosol having a second aerosol profile during a subsequent puff.